diff --git a/Cargo.lock b/Cargo.lock
index dba89e5..d6216f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -82,12 +82,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "nohash-hasher"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bf50223579dc7cdcfb3bfcacf7069ff68243f8c363f62ffa99cf000a6b9c451"
-
 [[package]]
 name = "once_cell"
 version = "1.21.3"
@@ -187,10 +181,9 @@ checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
 [[package]]
 name = "rtoml"
-version = "0.12.0"
+version = "0.13.0"
 dependencies = [
  "ahash",
- "nohash-hasher",
  "pyo3",
  "serde",
  "toml",
diff --git a/Cargo.toml b/Cargo.toml
index af7345a..d2a21f7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,16 +1,15 @@
 [package]
 name = "rtoml"
-version = "0.12.0"
+version = "0.13.0"
 authors = ["Samuel Colvin <s@muelcolvin.com>"]
 edition = "2021"
 license = "MIT"
 
 [dependencies]
-toml = {version = "0.5.9", features = ["preserve_order"]}
+toml = {version = "0.5.11", features = ["preserve_order"]}
 serde = "1.0.228"
 pyo3 = "0.26.0"
 ahash = "0.8.12"
-nohash-hasher = "0.2.0"
 
 [lib]
 name = "_rtoml"
diff --git a/src/de.rs b/src/de.rs
index 1dc9f53..667446c 100644
--- a/src/de.rs
+++ b/src/de.rs
@@ -1,6 +1,4 @@
-use std::collections::HashSet;
 use std::fmt;
-use std::hash::BuildHasherDefault;
 use std::marker::PhantomData;
 use std::str::FromStr;
 
@@ -8,16 +6,13 @@ use pyo3::prelude::*;
 use pyo3::types::PyDict;
 use pyo3::IntoPyObjectExt;
 
-use ahash::RandomState;
-use nohash_hasher::NoHashHasher;
+use ahash::AHashSet;
 use serde::de::{self, DeserializeSeed, Deserializer, MapAccess, SeqAccess, Visitor};
 use toml::value::Datetime as TomlDatetime;
 
 use crate::datetime;
 
 pub const DATETIME_MAPPING_KEY: &str = "$__toml_private_datetime";
-type BuildNoHashHasher<T> = BuildHasherDefault<NoHashHasher<T>>;
-pub type NoHashSet<T> = HashSet<T, BuildNoHashHasher<T>>;
 
 pub struct PyDeserializer<'py> {
     py: Python<'py>,
@@ -116,9 +111,8 @@ impl<'de> Visitor<'de> for PyDeserializer<'_> {
             Some((first_key, first_value)) => {
                 // we use a hashset to check for duplicate keys, but to avoid cloning the keys, we hash manually
                 // and store that in a no-hash hashset
-                let hash_builder = RandomState::new();
-                let mut key_set = NoHashSet::<u64>::with_hasher(BuildHasherDefault::default());
-                key_set.insert(hash_builder.hash_one(&first_key));
+                let mut key_set = AHashSet::new();
+                key_set.insert(first_key.clone());
 
                 let dict = PyDict::new(self.py);
                 dict.set_item(first_key, first_value).map_err(de::Error::custom)?;
@@ -126,7 +120,7 @@ impl<'de> Visitor<'de> for PyDeserializer<'_> {
                 while let Some((key, value)) =
                     map_access.next_entry_seed(PhantomData::<String>, PyDeserializer::new(self.py, self.none_value))?
                 {
-                    if key_set.insert(hash_builder.hash_one(&key)) {
+                    if key_set.insert(key.clone()) {
                         dict.set_item(key, value).map_err(de::Error::custom)?;
                     } else {
                         return Err(de::Error::custom(format!("duplicate key: `{key}`")));